Patent US4346145A successfully refreshed from Google Patents.
US4346145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and coated articles
Assignee: AT&T Inc
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Filing: 1981-01-05
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Granted: 1982-08-24
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Expires: 2001-01-05
Abstract
Abstract A jacketed telephone cord is jacketed with a clear, flame retardant, stable composition which essentially does not exhibit vertical burn characteristics comprising an all phosphate plasticized PVC stabilized with the combination of a metallic stabilizer and a cycloaliphatic epoxy.
Inventors
- 👤 Jae H. Choi
- 👤 John J. Mottine, Jr.
- 👤 Walter J. Sparzak, Sr.
- 👤 William C. Vesperman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:26
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/08; H01B7/0823; H01B7/17; H01B7/29; H01B7/295; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2947; Y10T428/2958
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
71 words
A strand material having a char-forming flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts of resin of a flame retardant phosphate plasticizer, said plasticizer comprising 30-60% by weight of tributoxyethyl phosphate, or 85-100% by weight 2-ethylhexyl diphenyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 2
Dependent Claim
71 words
A strand material having a char-forming flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts of resin of a flame retardant phosphate plasticizer, said plasticizer comprising 30-60% by weight of tributoxyethyl phosphate, or 85-100% by weight 2-ethylhexyl diphenyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 3
Dependent Claim
62 words
A strand material having a flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts of resin of a flame retardant phosphate plasticizer, 30-60% by weight of which is tributoxyethyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 4
Dependent Claim
62 words
A strand material having a flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts of resin of a flame retardant phosphate plasticizer, 30-60% by weight of which is tributoxyethyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 5
Dependent Claim
65 words
A strand material having a char-forming flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts polyvinyl chloride resin of a char-forming flame retardant plasticizer, 85-100% by weight of which is 2-ethylhexyl diphenyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 6
Dependent Claim
65 words
A strand material having a char-forming flame retardant covering thereover, said covering comprising a polyvinyl chloride resin, a plasticizer consisting essentially of 45-60 parts by weight per 100 parts polyvinyl chloride resin of a char-forming flame retardant plasticizer, 85-100% by weight of which is 2-ethylhexyl diphenyl phosphate, 4-8 parts by weight of a cycloaliphatic epoxy resin, and 2-4 parts by weight of a metallic stabilizer.
Claim 7
Dependent Claim
29 words
The strand material recited in claim 2 or 3 wherein said plasticizer comprises at least one member of the group consisting of a triaryl phosphate and a diaryl phosphate.
Claim 8
Dependent Claim
30 words
The strand material recited in claim 4 wherein the plasticizer comprises at least one member of the group consisting of isopropylphenyldiphenyl phosphate, t-butylphenyldiphenyl phosphate, isodecyldiphenyl phosphate and 2-ethylhexyl diphenyl phosphate.
Claim 9
Dependent Claim
29 words
The strand material recited in claim 1, wherein the cycloaliphatic epoxy resin is 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexane carboxylate and the metallic stabilizer is a phosphite chelator having barium, cadmium and zinc therein.
Claim 10
Dependent Claim
45 words
The strand material recited in claim 6 wherein said plasticizer comprises a triarylphosphate or a diarylphosphate selected from the group consisting of isopropylphenyldiphenyl phosphate, t-butylphenyldiphenyl phosphate, isodecyldiphenyl phosphate and 2-ethylhexyl diphenyl phosphate with 30-60% of said tributoxyethyl phosphate or at least 85% 2-ethylhexyl diphenyl phosphate.
Claim 11
Dependent Claim
43 words
The strand material recited in claim 7 wherein the plasticizer comprises at least one member of the group consisting of isopropylphenyldiphenyl phosphate, t-butylphenyldiphenyl phosphate, isodecyldiphenyl phosphate and 2-ethylhexyl diphenyl phosphate with 30-60% of said tributoxyethyl phosphate or at least 85% 2-ethylhexyl diphenyl phosphate.
Claim 12
Dependent Claim
19 words
The strand material recited in claim 1 further comprising a lubricant, an ultraviolet light stabilizer, and an anti-plate-out material.
Claim 13
Dependent Claim
12 words
The strand material recited in claim 1 further comprising a coloring agent.
Claim 14
Dependent Claim
88 words
The strand material recited in claim 9 wherein the lubricant is a stearate or stearic acid present in an amount of from 0.4 to 1.0 parts by weight per 100 parts polyvinyl chloride resin, the ultraviolet stabilizer is a benzophenone derivative or bisphenol A present in an amount of from 0.2 to 0.5 parts by weight, the anti-plate-out material is silica in an amount of from 0.4 to 0.8 parts be weight and a partially oxidized polyethylene in an amount of from 0.2 to 0.6 parts by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-23 | 1986-02-22 | 1986-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-23 | 1990-02-22 | 1990-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-23 | 1994-02-22 | 1994-08-24 | $7700.00 | Window Closed / Lapsed |